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    The effect of emotional and attentional load on attentional startle modulation

    Access Status
    Fulltext not available
    Authors
    Adam, A.
    Mallan, K.
    Lipp, Ottmar
    Date
    2009
    Type
    Journal Article
    
    Metadata
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    Citation
    Adam, A. and Mallan, K. and Lipp, O. 2009. The effect of emotional and attentional load on attentional startle modulation. International Journal of Psychophysiology. 74 (3): pp. 266-273.
    Source Title
    International Journal of Psychophysiology
    DOI
    10.1016/j.ijpsycho.2009.09.011
    ISSN
    0167-8760
    School
    School of Psychology and Speech Pathology
    URI
    http://hdl.handle.net/20.500.11937/39933
    Collection
    • Curtin Research Publications
    Abstract

    The interactive effects of emotion and attention on attentional startle modulation were investigated in two experiments. Participants performed a discrimination and counting task with two visual stimuli during which acoustic eyeblink startle-eliciting probes were presented at long lead intervals. In Experiment 1, this task was combined with aversive Pavlovian conditioning. In Group Attend CS+, the attended stimulus was followed by an aversive unconditional stimulus (US) and the ignored stimulus was presented alone whereas the ignored stimulus was paired with the US in Group Attend CS-. In Experiment 2, a non-aversive reaction time task US replaced the aversive US. Regardless of the conditioning manipulation and consistent with a modality non-specific account of attentional startle modulation, startle magnitude was larger during attended than ignored stimuli in both experiments. Blink latency shortening was differentially affected by the conditioning manipulations suggesting additive effects of conditioning and discrimination and counting task on blink startle. © 2009 Elsevier B.V. All rights reserved.

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